| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | Malo | 506961 |
11.5%
|
| 2 | Regular | 1473009 |
33.5%
|
| 3 | Bueno | 2411331 |
54.9%
|
| 9 | Ignorado | 2914 |
0.1%
|
| Sysmiss | 749077 |